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Multiheight Properties of Moving Magnetic Features
2007
Astrophysical Journal
We report on spectropolarimetric and dynamical properties of a moving magnetic feature ( MMF) around a diskcenter sunspot observed using photospheric (Fe i kk6301.5 and 6302.5) and lower chromospheric (Mg b 2 k5172.7) lines. We find that there are 33% fewer MMFs at the lower chromosphere compared to the photosphere, implying a sophisticated magnetic field geometry of tight low-level loops. A majority of bipolar MMFs are oriented with their neutral line perpendicular to the radial direction.
doi:10.1086/518822
fatcat:kjjdff6vh5dnhedqhm24twj5iy